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Distance between the two place is 35 kilometers . If two persons start running towards each other from these two place with a speed of 3 kilometers per hour and 4 kilometers per hour at 7.a.m . At what time do they meet​

Respuesta :

IuliusCaesar

The first person = A

The second one = B

velocity of A = 3 km / h

velocity of B = 4 km / h

Distance of A = 3t

Distance of B = 35 - 4t

At what time do they meet?

3t = 35 - 4t

7t = 35

t = 5 hours

7 a.m. + 5 hours = 12 p.m.

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